linkwitzlab.com

Please wait for loading...




      (168):

    /
     2  +3 2013 dec 06my speaker plansDesign of Loudspeakers - Linkwitz LabA few truly omni-directional speaker designs on the market come close, but require ... My conclusion is that uniform line source speakers are not what I would   ...
     3  -2 2014 jan 25leica lumix cameraLumix & Leica - Linkwitz LabThe Leica versions have hard edges on the sides of the camera body. In the case of the D-LUX 3 this actually gives a firmer grip on the small  ...
     4  -2 2014 mar 08build your own subwooferTHOR - subwoofer - Linkwitz LabBuild your own subwoofer . Often it is desirable to add very low frequency bass to the sound output of an existing loudspeaker system.
     4  ~ 2013 dec 21open baffle speakerPHOENIX - Open Baffle Loudspeaker - Linkwitz LabDetailed design information for DIY construction of an open - baffle , dipole loudspeaker . The speaker gives exceptional fidelity of sound reproduction in normal  ...
     5  -2 2014 jan 25lumix leica camera
     5  -3 2014 jan 05panasonic lumix leicaFrom its physical appearance and published specifications it appears that the Panasonic Lumix DMC-LX2 is very similar to the Leica D-LUX 3  ...
     6  -2 2014 feb 28low resonant frequency earphoneReference earphones - Linkwitz LabThe seal of the cavity affects the bass response and the resonances . They give ... They have a targeted in-situ low frequency response, which is  ...
     6  +20 2014 jan 09notch filter circuitActive Filters - Linkwitz Lab5 - Shelving lowpass & passive circuit 6 - Shelving highpass & passive circuit 7 - Notch filter 8 - 6 dB/oct dipole equalization 9 - 12 dB/oct highpass equalization  ...
     6  -2 2013 dec 11room acoustics designerRoom Acoustics - Linkwitz LabEven so, concert hall design is still a blend of art and science. For your listening/ living room design and layout follow the simple guidelines above and forget  ...
     7  +51 2013 dec 15omni directional speakersPLUTO-2.1 omni - directional loudspeaker - Linkwitz LabThe Aura driver is instrumental to the omni - directional PLUTO concept since this tweeter ... You can drive these speakers directly from a universal player that has  ...
     8  -2 2014 jan 15linear design labs speakersRarely do non- linear distortion considerations enter into the design of speakers . Otherwise, consumer stores and recording studios would not abound with 2-way   ...
     9  +2 2014 feb 06band stop filter drive v1Multiple sections may delay the tweeter output and compensate for the driver being mounted ... C) The shelving lowpass with added notch filter is the most flexible circuit. ... R3 when driven from an operational amplifier with output voltage V1 .
     10  +8 2013 dec 19crossover speaker designCrossovers - Linkwitz LabMy latest design , the ORION, employs two 24 dB/oct filters for highest accuracy of ... Crossover filters for a speaker usually incorporate frequency response  ...
     11  -8 2014 feb 19qts open baffleAlternate drivers 3 - Linkwitz LabThe low Qts < 0.5 leads to real axis poles at 86 Hz and 4 Hz in the second order ... For an open baffle woofer the excursion falls off at (1/f)3 with increasing  ...
     11  -5 2014 jan 24dipole woofer simulation softwareActually, the bass reminded me of what I hear from dipole woofers and the speakers ... If there were differences due to the driver technology then I would rank the ..... Now the large signal behavior of the complete loudspeaker can be simulated .
     11  +17 2013 dec 20pichure of cdSound Picture CD - Linkwitz LabHere is my collection of sound pictures which I took from a variety of familiar real life events. ... The tracks on this CD are examples of the material that I use.
     12  -2 2014 jan 26speaker design basicA few truly omni-directional speaker designs on the market come close, but require .... Adding to the comments above, I want to describe the basic design and  ...
     12  +17 2013 dec 28concert loud speaker designThe loudspeaker's polar radiation pattern determines its interaction with the room and the ... Even so, concert hall design is still a blend of art and science.
     12  -6 2013 dec 21linear design speakers
     13  ~ 2014 mar 03audio amp kit 2 way active crossoverThe electrical audio signal then needs to be divided between three drivers. The proper ... Active crossovers make much more effective use of amplifier power. A clipping ... H1 = [s / (s + 1)] + [1 / (s + 1)] = HP + LP ==> 2 - way .
     13  -8 2014 feb 25naxos mcgillMcGill University - Linkwitz Lab( Four Blu-Ray discs from NAXOS , www.thevirtualhaydn.com ). Haydn's Sonatas and Klavierstuecke were played on seven historical keyboards,  ...
     13  +10 2014 jan 02speaker box designSubwoofer design - Linkwitz LabSubwoofer design . 1 - Box construction. My goal is to keep the box size as small as possible. The estimates show that a box with about 50 liter internal volume  ...
     13  -6 2013 dec 06pc audio high-enddCS Guide To Computer Audio v1.10 - Linkwitz LabContents. Overview – the Principles of Computer Audio . ..... Macs and PCs are now a viable alternative to high end stand-alone CD transports  ...
     14  -9 2014 jan 14digital photography processingDigital Photo Processes - Linkwitz LabIn these web pages I will show what I investigated and learned about noise and artifacts in digital photo processing . I pursued this specifically with the LX2 in  ...
     14  -11 2014 jan 12tweeter natural area rugsLX521 Description - Linkwitz LabRichard Taylor has analyzed the required room dimensions and speaker setups to
     14  -3 2013 dec 07stereo central channelSurround stereo system - Linkwitz Lab1 - Ambience recovery from a 2- channel CD 2 - Refinement of ambience recovery 3 - SACD and DVD-A use of the center channel 4 - A few  ...
     15  -1 2014 jan 03speaker enclosure designThis year the outstanding leader in the conventional box speaker category was the $40,000 TAD Model-1. A superbly executed design under the leadership of  ...
     15  +78 2013 dec 06low shelf filterThis type of circuit is useful to bring up the low frequency response in order to compensate for the high ... A) The shelving lowpass filter cannot correct for a peak.
     16  ~ 2014 feb 16sls fz1spreadsheet - Linkwitz Lab30, C1, C3, fz1 , 32, = fp1 ?? fz1 , 29, = fp1 ?? 31, Adc [dB], 21.6, Adc [dB], 21.6. 32 , For realizability with the given. 33, circuit k must be positive. 2b) Multiply  ...
     16  +4 2014 feb 05line level crossoverThe best electrical crossover filter is one that maintains the acoustic polar ... I have a strong preference for line level active dividing networks  ...
     16  -2 2014 feb 01room mode calculatorRectangular room modes - Linkwitz Lab29. 30, Re-sort table below by ascending frequency. 31, after room dimensions have been changed. 32, Modes in rectangular room , Sorted by frequency, Mode   ...
     17  +46 2014 feb 26diy subwooferDesign of a sealed box subwoofer with electronic equalization. ... This is meant to be a DIY project for the music loving hobbyist. Should you consider using part  ...
     17  -8 2014 feb 06jung aktiv board13 - Printed circuit boards ..... On the circuit board are two of the topologies below . ... [7] Walter G. Jung , editor, Op Amp Applications, Analog Devices, 2002.
     17  +3 2013 dec 30driver power amplifierPower amplifier limited SPL for a dipole woofer - Linkwitz LabGiven two different 10" drivers , and power amplifiers of 60 W and 180 W capability into 8 ohm, what on-axis, free-space SPL can be expected at  ...
     18  +83 2014 feb 17force factor blSubwoofer estimates - Linkwitz LabA deflection of 12.5 mm requires a force F = Xmax / Cms' = 104.2 Newton or 23.4 pound. The motor has a force factor Bl = 17.6 N/A. Thus it takes Ip = F / (Bl)  ...
     19  -4 2014 feb 22speaker diyORION challenge to DIY - Linkwitz LabMy experience with the Beethoven series, the Vivaldi, and PHOENIX, has led to a new design, which captures the essential sonic features of those speakers ,  ...
     19  +12 2014 feb 09subwoofer enclosure design
     19  +43 2013 dec 21website on cdWebsite CD - Linkwitz LabThe Website CD -ROM can be purchased for $150, shipping included for US ... You can consider the CD to be my 'book' on Accurate sound reproduction in a  ...
     20  +81 2014 feb 26location of wooferWhy is bass reproduction from a dipole woofer in a ... - Linkwitz LabClearly, a dipole woofer excites room modes to a different degree when placed in the same location as a monopole. In general, the dipole  ...
     20  -4 2014 jan 12speaker cabinet design
     20  +20 2013 dec 16room acoustics softwareReverberation time as most important parameter for a room's acoustic behavior. ... Many computer programs have been written that calculate the resonant  ...
     21  +80 2014 mar 07variable low-pass filters5 - Shelving lowpass & passive circuit ... 10 - Variable gain & fixed attenuation .... A) The shelving lowpass filter cannot correct for a peak.
     21  +42 2014 jan 24speaker baffe home audioLinkwitz Lab - Loudspeaker DesignThe new LX521 Monitor is an open- baffle loudspeaker for decisive work in the recording studio and for enjoying all types of music at home . ... Most of my involvement with audio has been about designing and building loudspeakers for my own  ...
     21  +1 2013 dec 20room acoustics calculatorReverberation time as most important parameter for a room's acoustic ... They merely change frequencies, shift their distribution and make their calculation a lot   ...
     22  +3 2014 jan 14room acoustic calculator
     23  -3 2014 jan 25pictures of plutoPLUTO photos - Linkwitz LabPLUTO has been built in many parts of the world: ... Send me your photos of PLUTO to show others how you adapted it to locally available  ...
     23  ~ 2014 jan 23intro page htmPluto introduction - Linkwitz LabIntroduction .... On the following pages I provide sufficient information so that someone with experience in building speakers and analyzing  ...
     24  +9 2014 feb 19stereophileStereophile interviews Siegfried Linkwitz - Linkwitz LabStereophile interviews Siegfried Linkwitz. By Shannon Dickson. Siegfried Linkwitz was born in Germany in 1935. He received his electrical engineering degree  ...
     24  -10 2014 jan 23one for the wooferDipole Woofer - Linkwitz LabDipole Woofer - 1 . All dimensions are in inch units unless otherwise stated. ( 1 " = 25.4 mm) For construction use 0.75" and 0.5" thick Baltic  ...
     25  +5 2013 dec 06metal amplifier chassisLet's Build an Amplifier At ATI, steel is ordered for the chassis and allow the strongest chassis ), send the metal out to be powder coated and then ... screening. PCB's, which have already been designed by legendary amplifier .
     26  -11 2014 jan 26best design speakerA few truly omni-directional speaker designs on the market come close, but require ... It seems to me these types of speakers will be at their best in very large   ...
     27  +35 2014 mar 07dvd production sfSF Symphony - Linkwitz LabSince 2004, San Francisco Symphony Media has produced various PBS, DVD , and BD releases including the Keeping Score series which combined both  ...
     27  -1 2014 feb 27plutoThe design of the PLUTO loudspeaker brings together several concepts and ideas about a small size loudspeaker that had been on my mind  ...
     27  +7 2014 jan 13equalizer using qtSubwoofer equalization - Linkwitz LabTherefore, equalization can make the unit into a useful subwoofer.
     28  +4 2014 jan 15pink noise cdToneburst Test Signal CD - Linkwitz Lab200Hz low-passed pink noise , 2:07 3. 200Hz to 100Hz, 3 bursts of 4x 20-cycles, large steps, 0:55 4. 100Hz to 50Hz, 3 bursts of 4x 10-cycles, large steps, 0:54 5.
     28  +5 2013 dec 19stereo speaker placementOptimized stereophonic reproduction - Linkwitz LabWhen I designed the PLUTO, a small low cost speaker and ... For my personal enjoyment the critical stereo listening position is A, but I also  ...
     29  -11 2014 jan 24seas loudspeaker drive unitsFor this I drive to Las Vegas with my spouse for the International Consumer
     29  +2 2014 jan 04low pass crossover2 - 12 dB/oct Linkwitz-Riley crossover 3 - 24 dB/oct Linkwitz-Riley crossover 4 - Delay correction 5 - Shelving lowpass & passive circuit 6 - Shelving highpass  ...
     29  -11 2013 dec 04u frame itH-U frame woofers - Linkwitz LabAdded to the graphs below are magnitude and phase of the H-frame at zero degree for comparison purpose. At low frequencies the U - frame analyzed has 3.6   ...
     31  +12 2014 feb 28panasonic dmc lx2From its physical appearance and published specifications it appears that the Panasonic Lumix DMC - LX2 is very similar to the Leica D-LUX 3  ...
     32  +69 2014 feb 10subwoofer box calculator
     33  -11 2014 mar 01qts thd earphone terminologyFAQ - Linkwitz LabQ34 - What is the optimum Qts for the drivers of a dipole woofer? .... 12" box woofers and at 120 Hz equivalent to four in terms of maximum SPL.
     33  +15 2014 feb 213 inch baffleDiffraction from baffle edges - Linkwitz LabThus, the portion of a sound pressure step that travels along the baffle surface ... For a 3 inch circular baffle with a point source at its center there should be a 4.5  ...
     33  -3 2013 dec 02pvc pipe drivers speakersSurround loudspeaker - Linkwitz LabThe sound level demands for side and rear speakers in a music surround system ... mm) long PVC drainage pipe , an enclosure of about 7 liter internal volume. The driver merely rests on top of the pipe and is sealed to it with a rubber gasket.
     35  -16 2014 feb 19stereo effect active speakerLinkwitz-Publications - Linkwitz Lab35 - My Search for the Ideal Stereo Loudspeaker .... 12 - Siegfried Linkwitz, A Three-Enclosure Loudspeaker System with Active Delay and Crossover, Parts 1, 2, ... Effects of the baffle shape upon the radiation pattern have been investigated.
     35  +5 2014 feb 12waveguide speaker technicalConstant directivity loudspeaker designs - Linkwitz LabOn this web page I want to provide links to engineering information, .... and rapid transition to a beam of +/-40 degree at -6 dB due to a 15" diameter waveguide .
     35  +56 2013 dec 15open source dspDSP_challenge - Linkwitz LabI challenge whoever has the skill set and experience with DSP design to .... It runs on a Linux PC and uses only free, open - source software.
     38  +34 2013 dec 19crossover low costThe only excuse for passive crossovers is their low cost . Their behavior changes with the signal level dependent dynamics of the drivers. They block the power  ...
     39  +17 2014 jan 25orion subwoofer boxPluto + subwoofer - Linkwitz LabThe subwoofer would be down firing to reduce overall box height and to ... Something similar was done with the addition of THOR to ORION .
     39  +24 2014 jan 02db audio talkaudioI - AES Convention, Rocky Mountain Audio Fest, Burning Amp Festival, October 2008
     40  -17 2013 dec 13diy speakers in canadaIn return I have a speaker with seamless integration over the whole frequency range, .... In Canada , Burlington, Ontario, contact Alan Plaunt,
     40  -12 2013 dec 13diy speakers canada
     41  -12 2013 dec 26frequency response headphonesIt is difficult to find earphones that can serve as a reference transducer for ... They have a targeted in-situ low frequency response , which is maintained in the  ...
     42  +15 2013 dec 27hypex filter designerDesigning a DSP based equalizer/crossover ... IIR filters , no pre-ringing ... enclosure with 10 Hypex power amplifiers and their power supply.
     42  +19 2013 dec 19printed circuit board suppliesPluto supplies - Linkwitz LabBuilding the three power amplifiers, crossover, equalization and power supply circuitry is greatly simplified by using a printed circuit board .
     44  +57 2013 dec 23hear control room audioReverberation time as most important parameter for a room's acoustic behavior.
     45  ~ 2014 mar 07san francisco symphonySince 2004, San Francisco Symphony Media has produced various PBS, DVD, and BD releases including the Keeping Score series which combined both  ...
     45  ~ 2014 feb 13board 24 48 shelving6 - Shelving highpass & passive circuit 7 - Notch filter
     46  -10 2014 feb 09qts thd earphoneQ12 - What happens to the parameters Vas, Qms, Qes and Qts when you connect the two voice coils of the 1252DVC in series? Q13 - Is a printed circuit board  ...
     46  -31 2014 jan 25desain box subwooferSubwoofer design. 1 - Box construction. My goal is to keep the box size as small as possible. The estimates show that a box with about 50 liter  ...
     48  -13 2014 mar 01symphony video converterSince 2004, San Francisco Symphony Media has produced various PBS, DVD, and BD
     48  -32 2014 feb 10subwooferSince the subwoofer should provide an easy upgrade path for PLUTO owners there would be no change to the PLUTO design. All necessary  ...
     49  +46 2014 feb 20the three rooms of mReverberation time as most important parameter for a room's acoustic behavior. ... N = (4 p / 3 ) V (f m /c) 3 + (p / 4) S (f m /c)2 + (1 / 8) Le (f m /c) (6). where
     49  -9 2014 jan 30surround sound musicSurround sound - Linkwitz Lab" Music Logic" is my default mode for the Lexicon DC2. It can be enjoyable to listen to DVD-V surround sound on this system, if the sound effects  ...
     50  +44 2014 feb 26er 4sRecently, on the urging of two trusted friends, I acquired a pair of ear canal phones, the model ER - 4S from Etymotic Research. Lyman Miller uses them for  ...
     50  +17 2014 feb 16center channel speaker degreesambience recovery 3 - SACD and DVD-A use of the center channel 4 - A few SACD and their need for a center speaker ..... All three SACD benefited from using a center speaker , though in different degree . I then switched to  ...
     50  +16 2013 dec 08active vs passive crossoverCrossovers may be implemented either as passive RLC networks, as active filters with operational amplifier circuits or with DSP engines and  ...
     51  +13 2014 mar 06in ear phonesIt is difficult to find earphones that can serve as a reference transducer for evaluating loudspeakers. They are very useful. though, for evaluating  ...
     51  -6 2014 mar 05cost of doing businessDIY and the Cost of Doing Business - Linkwitz LabDIY and the Cost of Doing Business . When you are able to build something yourself, then the cost of buying the same item in a store or directly  ...
     51  +3 2013 dec 12how to test micSystem Test - Linkwitz Lab. The only safe test signal is the shaped tone-burst. ... The data was taken with the microphone at 52" (1.32 m) in front of the panel and the panel  ...
     52  +29 2014 feb 08open baffle full rangeThe LX521 Monitor is an open - baffle loudspeaker for enjoyment of any type of music ... PLUTO evolved to the 2-way full - range loudspeaker that it is today when   ...
     52  -5 2013 dec 29sonic design speakersThe ORION incorporated what I had learned from designing loudspeakers for .... my sonic reference has always been the non-amplified original performance.
     54  -24 2014 feb 11design acoustics d 6
     54  ~ 2014 jan 15room sound treatmentMuch has been written in the popular and professional audio press about the acoustic treatment of rooms . The purpose of such treatment is to allow us to hear   ...
     54  -7 2013 dec 17rear surround speakersThe sound level demands for side and rear speakers in a music surround ... to be rolled off to avoid localization such speakers can be built with a single driver.
     54  +41 2013 dec 11how to test microphone
     55  +3 2014 mar 04seas full range speakerA full - range speaker needs to be at least 3-way. ..... Transition from two 15" woofers to a 5.5" Seas midrange (M15CH002 ?) is at 250 Hz.
     55  +43 2014 feb 28r type final2Convention Paper - Linkwitz Labis the type of illusion that a 24channel stereophonic setup is asked to create in .... rear wall reflection R can be delayed and reduced in magnitude by moving the  ...
     55  -5 2014 feb 12lumixFrom its physical appearance and published specifications it appears that the Panasonic Lumix DMC-LX2 is very similar to the Leica D-LUX 3  ...
     55  +15 2013 dec 27best surround systemOn a good two channel playback system this ambience information is perceived as depth and width of the sound stage. The ambience  ...
    1 2 of 2 pages